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... recessive pattern? Can you not have, if it is autosomal dominant, each affected individual as heterozygous and each unaffected individual homozygous recessive; and if it is autosomal recessive you reverse it so that each affected individual is homozygous recessive and each unaffected individual ...

... have 4 chromosomes: 2 and 3 are useful for genetics. For each chromosomes there are two copies just like in humans: 2nd chromosome: UAS-UPRT is homozygous 3rd Chromosome: One chromosomes carries Repo. The other carries a marker TM6 which gives flies short bristles. You are starting from: 2nd ...

The fly been double homozygous the wild type most likely would have had a ratio of around 3:1 for the offspring. No. All of the offspring would have been wild type. The rest of your answer is correct. F0: cross female (Female: BW) ...